/* (c) Copyright 1998-2000 - Tord Jansson ====================================== This file is part of the BladeEnc MP3 Encoder, based on ISO's reference code for MPEG Layer 3 compression, and might contain smaller or larger sections that are directly taken from ISO's reference code. All changes to the ISO reference code herein are either copyrighted by Tord Jansson (tord.jansson@swipnet.se) or sublicensed to Tord Jansson by a third party. BladeEnc is free software; you can redistribute this file and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. ------------ Changes ------------ 2000-12-11 Andre Piotrowski - reformatted, redesigned */ /********************************************************************** * ISO MPEG Audio Subgroup Software Simulation Group (1996) * ISO 13818-3 MPEG-2 Audio Encoder - Lower Sampling Frequency Extension * * $Id: loop.h,v 1.1 1996/02/14 04:04:23 rowlands Exp $ * * $Log: loop.h,v $ * Revision 1.1 1996/02/14 04:04:23 rowlands * Initial revision * * Received from Mike Coleman **********************************************************************/ /********************************************************************** * date programmers comment * * 25. 6.92 Toshiyuki Ishino Ver 1.0 * * 29.10.92 Masahiro Iwadare Ver 2.0 * * 17. 4.93 Masahiro Iwadare Updated for IS Modification * * * *********************************************************************/ #ifndef __LOOP__ #define __LOOP__ #include "common.h" #include "l3side.h" /* #define SBLIMIT 32 */ #define CBLIMIT 21 #define SFB_LMAX 22 #define SFB_SMAX 13 extern int fInit_iteration_loop; /* NOT NEEDED extern int fInit_huffman_read_flag; */ extern int pretab[]; struct scalefac_struct { int l[23]; int s[14]; }; extern struct scalefac_struct sfBandIndex[]; /* Table B.8 -- in loop.c */ void iteration_loop ( double pe[][2], double xr_org[2][2][576], III_psy_ratio *ratio, III_side_info_t *l3_side, int l3_enc[2][2][576], int mean_bits, int stereo, double xr_dec[2][2][576], III_scalefac_t *scalefac, frame_params *fr_ps, int ancillary_pad, int bitsPerFrame ); int my_nint (double in); void fixStatic_loop (void); void genNoisePowTab (void); #endif /* __LOOP__ */